Senior Backend Engineer Software Engineering · Barcelona Diagonal, Barcelona Tasso ·

tackle: * Moving to a modular monolith so each team can ship faster, with full module ownership * Implementing multi-geo PostgreSQL sharding * Scaling a platform handling ~$1M in daily transactions * Balancing reliability, performance, and business agility as we grow fast We recently raised €30M (Series B) and aim to triple our valuation in 2 years. Your equity package is set up to benefit from that growth. The engineering team is doubling this year, and great engineers who join now will have room to develop into leadership or staff roles as our teams grow, too. You might be a great fit if: * You've built and maintained backend systems in SaaS or product companies, taking full ownership of the features and services you delivered. * You're comfortable navigating complexity, and enjoy breaking down hard problems into simple, scalable solutions. * You're fluent in English and a clear communicator in a collaborative, international team. * You know Django/FastAPI or are eager to ramp up quickly. What you'll get: You'll receive a salary of €62,000 - €72,000 + equity, a hybrid setup, work-from-anywhere weeks, full health insurance with Alan, and fitness perks like discounted DiR gym & Yoga One memberships. We also offer relocation packages! Wanna know more? We'd love to hear from you, even if your CV isn't up to date - you can also apply with your LinkedIn profile. Everyone gets a response. #J-18808-Ljbffr